BRAINIEST This is due today whoever answers this will be given brainiest

Answer:
(a) 4
(b) 8 {8, a, b, 3, b, 16, -4, a}
(c) -4a
Step-by-step explanation:
I hope i did it right and helped
Answer:
(a) 4
(b) 8 {8, a, b, 3, b, 16, -4, a}
(c) -4a
Step-by-step explanation:
i think thats correct
could PLZZZZ I NEED bRaInIeSt